Ceramic support rail



FIG. 1 is a perspective view of a ceramic rail support for supporting ceramic insulators in an electric heater, showing my new design,

FIG. 2 is a top side plane view thereof, the bottom side being a mirror image of the side shown.

FIG. 3 is a back side elevation view, the front side being a mirror image of the side shown; and,

FIG. 4 is a right side elevation view, the left side view being a mirror image of the side shown. 

CLAIM The ornamental design for a ceramic support rail, as shown and described. 